CVE-2023-23943

Nextcloud mail is an email app for the nextcloud home server platform. In affected versions the SMTP, IMAP and Sieve host fields allowed to scan for internal services and servers reachable from within the local network of the Nextcloud Server. It is recommended that the Nextcloud Maill app is upgraded to 1.15.0 or 2.2.2. The only known workaround for this issue is to completely disable the nextcloud mail app.

CVSS v3.0 4.3 MEDIUM

4.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://hackerone.com/reports/1736390	Exploit Third Party Advisory
https://hackerone.com/reports/1741525	Exploit Third Party Advisory
https://hackerone.com/reports/1746582	Exploit Third Party Advisory
https://github.com/nextcloud/mail/pull/7796	Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8gcx-r739-9pf6	Vendor Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:mail::::::::
	cpe:2.3:a:nextcloud:mail::::::::

Information

Published : 2023-02-06 13:15

Updated : 2023-02-15 08:11

NVD link : CVE-2023-23943

Mitre link : CVE-2023-23943

JSON object : View

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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Products Affected

nextcloud

mail

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